The Aeromotive billet alternator pulley is a 50% underdrive option with a deep V groove intended for Ford and GM alternator applications. It alters alternator drive speed through a 50% underdrive ratio for tailored accessory operation in custom belt systems. Produced by Aeromotive with precision machining, this pulley fits compatible Ford and GM setups and deep V groove belt configurations.
Aeromotive Billet Alternator 50% Underdrive Pulley